Low intensity magnetic field influences short-term memory: A study in a group of healthy students.

abstract：:The potential use of multiple-frequency-band radiometry as a means of noninvasive sensing of one-dimensional temperature profiles is presented in this communication. The radiative energy transfer equation is solved numerically. Ideal-condition thermal noise spectra and distributions of received energy, associated with...

journal_title：Bioelectromagnetics

authors： Prionas SD,Hahn GM

更新日期：1985-01-01 00:00:00

abstract：:Occupational exposure to the high static magnetic fields (SMFs) during magnetic resonance imaging (MRI) examinations raises concerns of adverse health effects. In this study, personal exposure monitoring of the magnetic fields during routine examinations in two 3 T MRI systems was carried out. A three-axis Hall magnet...

journal_title：Bioelectromagnetics

authors： Yamaguchi-Sekino S,Nakai T,Imai S,Izawa S,Okuno T

更新日期：2014-01-01 00:00:00

abstract：:A system is described that uses an oscillating magnetic field to produce power-frequency electric fields with strengths in excess of those produced in an animal or human standing under a high-voltage electric-power transmission line. In contrast to other types of exposure systems capable of generating fields of this s...

journal_title：Bioelectromagnetics

authors： Kaune WT,Frazier ME,King AJ,Samuel JE,Hungate FP,Causey SC

更新日期：1984-01-01 00:00:00

abstract：:Ten experiments on pigs were performed to investigate possible postmortem changes of the dielectric properties of brain gray matter in the frequency range of 800-1900 MHz. After keeping the animals in stable anaesthesia for at least 45 min, they were euthanatised by an intravenous injection of hypertonic potassium chl...

journal_title：Bioelectromagnetics

authors： Schmid G,Neubauer G,Illievich UM,Alesch F

更新日期：2003-09-01 00:00:00

abstract：:In-vitro studies of biological effects of electromagnetic fields are often conducted with cultured cells either in suspension or grown in a monolayer. In the former case, the exposed medium can be assumed to be homogeneous; however, eventually the cells settle to the bottom of the container forming a two layer system ...

journal_title：Bioelectromagnetics

authors： Wang W,Litovitz TA,Penafiel LM,Meister R

更新日期：1993-01-01 00:00:00

abstract：:Non-thermal plasmas can be generated by electric discharges in gases. These plasmas are reactive media, capable of superficial treatment of various materials. A novel non-thermal atmospheric plasma source (plasma needle) has been developed and tested. Plasma appears at the end of a metal pin as a submillimetre glow. W...

journal_title：Bioelectromagnetics

authors： Kieft IE,Broers JL,Caubet-Hilloutou V,Slaaf DW,Ramaekers FC,Stoffels E

更新日期：2004-07-01 00:00:00

abstract：:This study was undertaken to investigate whether power frequency magnetic fields can affect the kinetics of cell cycle progression in exposed human cells. To achieve this, cultures of normal human fibroblasts were synchronised in the G(0) phase of the cell cycle and exposed to 50 Hz magnetic fields at a range of flux ...

journal_title：Bioelectromagnetics

authors： Cridland NA,Haylock RG,Saunders RD

更新日期：1999-10-01 00:00:00

abstract：:In view of possible therapeutic applications of magnetic fields, the effect of an enhancement of neuronal outgrowth at higher figures of flux density and induced field strength was investigated. On the average sinusoidal magnetic field treatment at 100 microTrms/50 Hz did not change nerve growth factor (NGF) induced n...

journal_title：Bioelectromagnetics

authors： Schimmelpfeng J,Weibezahn KF,Dertinger H

更新日期：2005-01-01 00:00:00

abstract：:International bodies such as International Commission on Non-Ionizing Radiation Protection (ICNIRP) and the Institute for Electrical and Electronic Engineering (IEEE) make provision for human exposure assessment based on SAR calculations (or measurements) and basic restrictions. In the case of base station exposure th...

journal_title：Bioelectromagnetics

authors： van Wyk MJ,Bingle M,Meyer FJ

更新日期：2005-09-01 00:00:00

abstract：:Magnetotactic bacteria produce nanometer-size intracellular magnetic crystals. The superior crystalline and magnetic properties of magnetosomes have been attracting much interest in medical applications. To investigate effects of intense static magnetic field on magnetosome formation in Magnetospirillum magneticum AMB...

journal_title：Bioelectromagnetics

authors： Wang X,Liang L

更新日期：2009-05-01 00:00:00

abstract：:We developed a new computer wire coding method and then applied it to investigate the suggestion that control selection bias might explain the observed association between wire codes and childhood cancer made in the study conducted by Savitz et al. in the Denver area. The computer wire coding method used a geographic ...

journal_title：Bioelectromagnetics

authors： Ebi KL,Kheifets LI,Pearson RL,Wachtel H

更新日期：2000-07-01 00:00:00

abstract：:A number of studies have shown that power frequency magnetic fields may affect spatial memory functions in rodents. An experiment was performed using a spontaneous object recognition task to investigate if nonspatial working memory was similarly affected. Memory changes in adult, male C57BL/6J mice were assessed by me...

journal_title：Bioelectromagnetics

authors： Sienkiewicz ZJ,Bartram R,Haylock RG,Saunders RD

更新日期：2001-01-01 00:00:00

abstract：:Calcium (45Ca2+) efflux from preloaded synaptosomes was studied with a continuous perfusion technique and the rate constants of a two-phase efflux process calculated. When 16-Hz sinusoidally amplitude modulated 450-MHz microwave field (maximal incident intensity 0.5 mW/cm2, modulation depth 75%) was applied during the...

journal_title：Bioelectromagnetics

authors： Lin-Liu S,Adey WR

更新日期：1982-01-01 00:00:00

abstract：:Ejaculated, density purified, human spermatozoa were exposed to pulsed 900 MHz GSM mobile phone radiation at two specific absorption rate levels (SAR 2.0 and 5.7 W/kg) and compared with controls over time. Change in sperm mitochondrial membrane potential was analysed using flow cytometry. Sperm motility was determined...

journal_title：Bioelectromagnetics

authors： Falzone N,Huyser C,Fourie F,Toivo T,Leszczynski D,Franken D

更新日期：2008-05-01 00:00:00

abstract：:Most of the research concerning magnetic antinociception was focused on brief exposure less than 1 h. The main purpose of the present study was to determine the effect of extremely low frequency (ELF) magnetic field (MF) repeated exposures on rats in inducing antinociception and to find the effective analgesic "time w...

journal_title：Bioelectromagnetics

authors： Bao X,Shi Y,Huo X,Song T

更新日期：2006-09-01 00:00:00

abstract：:The present article reviews the basic principles of a new approach to the characterization of pulmonary disease. This approach is based on the unique nuclear magnetic resonance (NMR) properties of the lung and combines experimental measurements (using specially developed NMR techniques) with theoretical simulations. T...

journal_title：Bioelectromagnetics

authors： Cutillo AG,Ailion DC

更新日期：1999-01-01 00:00:00

abstract：:We have studied the effect of extremely low frequency electromagnetic fields (ELF-EMF) in the presence of a second stressor (mild heat shock) on the expression of a lacZ reporter gene under the control of hsp16 or hsp70 promoters in two transgenic strains of C. elegans. The expression of the reporter gene was studied ...

journal_title：Bioelectromagnetics

authors： Junkersdorf B,Bauer H,Gutzeit HO

更新日期：2000-02-01 00:00:00

abstract：:We studied the influence of magnetic fields (MFs) and simulated solar radiation (SSR) on ornithine decarboxylase (ODC) and polyamines in mouse epidermis. Chronic exposure to combined MF and SSR did not cause persistent effects on ODC activity or polyamines compared to the animals exposed only to UV, although the same ...

journal_title：Bioelectromagnetics

authors： Kumlin T,Alhonen L,Jänne J,Lang S,Kosma VM,Juutilainen J

更新日期：1998-01-01 00:00:00

abstract：:The influence of a pulsed magnetic field (PMF; sawtooth with 45-microseconds linear rise time and 5-microseconds decay time, peak strength of 15 microT, and frequency 20000 pps) [corrected] on the embryogenesis of CBA/S mice was investigated in five experiments based on a total of 707 exposed and 543 unexposed primigr...

journal_title：Bioelectromagnetics

authors： Frölen H,Svedenstål BM,Paulsson LE

更新日期：1993-01-01 00:00:00

abstract：:Exposure systems that provide good magnetic field uniformity, minimum stray fields, and minimal heating, vibration, and hum, as well as capability for true sham exposure in which current flows in the coils, are needed to determine rigorously the biological effects of weak magnetic fields. Designs based on acrylic poly...

journal_title：Bioelectromagnetics

authors： Wilson BW,Caputa K,Stuchly MA,Saffer JD,Davis KC,Washam CE,Washam LG,Washam GR,Wilson MA

更新日期：1994-01-01 00:00:00

abstract：:In studies investigating adverse reproductive outcomes associated with video display terminal (VDT) usage, amounts of time spent in front of a VDT or magnetic field (MF) levels in front of the VDT are used as surrogate measures of subject's MF exposure. However, the relevance of such surrogates to actual exposures has...

journal_title：Bioelectromagnetics

authors： Abdollahzadeh S,Hammond SK,Schenker MB

更新日期：1996-01-01 00:00:00

abstract：:Irreversible changes in the heat capacity of human erythrocyte ghost suspensions due to the effect of 330-MHz radiofrequency radiation (at a specific absorption rate of approximately 9 mW/g) were detected by the method of scanning differential microcalorimetry. Using the data obtained from the analysis of infrared spe...

journal_title：Bioelectromagnetics

authors： Shnyrov VL,Zhadan GG,Akoev IG

更新日期：1984-01-01 00:00:00

abstract：:The use of electronic article surveillance (EAS) systems has become popular in many public sites. As a consequence, concern has risen about infant exposure to magnetic fields (MFs) from this kind of device. To evaluate infant exposure to MFs of an EAS system (operating at 125 kHz and 13.56 MHz), we numerically compare...

journal_title：Bioelectromagnetics

authors： Li C,Wu T

更新日期：2015-04-01 00:00:00

abstract：:We studied the effect produced on the development and functional activity of skeletal muscle cells from newborn Wistar rats in primary culture by weak static magnetic fields (WSMF; 60-400 µT) with a high capacity of penetrating the biological media. To reduce the impact of external magnetic fields, cells were cultured...

journal_title：Bioelectromagnetics

authors： Surma SV,Belostotskaya GB,Shchegolev BF,Stefanov VE

更新日期：2014-12-01 00:00:00

abstract：:A novel exposure system for double-blind human electromagnetic provocation studies has been developed that satisfies the precision, control of fields and potential artifacts, and provides the flexibility to investigate the response of hypotheses-driven electromagnetic field exposure schemes on brain function, ranging ...

journal_title：Bioelectromagnetics

authors： Murbach M,Christopoulou M,Crespo-Valero P,Achermann P,Kuster N

更新日期：2012-09-01 00:00:00

abstract：:An attempt has been made to understand whether 50 Hz electric and magnetic fields (EMFs) are involved in producing bioeffects by exposing human erythrocytes in vitro. The study evaluated some key glycolytic enzymes, glucose consumption, lactate production, energy charge, 2,3-diphosphoglycerate, and reduced glutathione...

journal_title：Bioelectromagnetics

authors： Dachà M,Accorsi A,Pierotti C,Vetrano F,Mantovani R,Guidi G,Conti R,Nicolini P

更新日期：1993-01-01 00:00:00

abstract：:The potential ability of radiofrequency electromagnetic radiation (RFR) in the microwave range to induce mutagenesis, chromosomal aberrations, and sister chromatid exchanges in mammalian cells is being explored in our laboratories. In addition, we have also been examining the ability of simultaneous exposure to RFR an...

journal_title：Bioelectromagnetics

authors： Meltz ML,Eagan P,Erwin DN

更新日期：1990-01-01 00:00:00

abstract：:Cultures of Escherichia coli kept at 0 degree C in a phosphate buffer solution were exposed to a sinusoidal weak 60- or 600-Hz magnetic field of strength 2 X 10(-3) Tesla. A decrease of more than 40% in bacterial count was observed after a 60-h exposure to the magnetic field. Electron micrographs of exposed bacteria s...

journal_title：Bioelectromagnetics

authors： Ramon C,Ayaz M,Streeter DD Jr

更新日期：1981-01-01 00:00:00

abstract：:We used exposure to microwaves from a global system for mobile communication (GSM) mobile phone (915 MHz, specific absorption rate (SAR) 37 mW/kg) and power frequency magnetic field (50 Hz, 15 muT peak value) to investigate the response of lymphocytes from healthy subjects and from persons reporting hypersensitivity t...

journal_title：Bioelectromagnetics

authors： Belyaev IY,Hillert L,Protopopova M,Tamm C,Malmgren LO,Persson BR,Selivanova G,Harms-Ringdahl M

更新日期：2005-04-01 00:00:00

abstract：:The effect of magnetized physiological solution (MPS) on isolated, perfused snail heart muscle contractility, (45)Ca uptake and intracellular level of cAMP, and cGMP was studied. The existence of the relaxing effect of MPS on heart muscle at room temperature (22 degrees C) and its absence in cold medium (4 degrees C) ...

journal_title：Bioelectromagnetics

authors： Ayrapetyan G,Papanyan A,Hayrapetyan H,Ayrapetyan S

更新日期：2005-12-01 00:00:00